charged particle and photon interactions in metal clusters and photographic systems studies
Báo cáo Y học: The Fe-only nitrogenase and the Mo nitrogenase from Rhodobacter capsulatus A comparative study on the redox properties of the metal clusters present in the dinitrogenase components doc
Ngày tải lên :
18/03/2014, 01:20
... from Azotobacter vinelandii using selective 57Fe enrichment of the M centers J Am Chem Soc 122, 4926–4936 Hagen, W.R (1989) g-strain: inhomogeneous broadening in metalloprotein EPR In Advanced EPR ... intensity (accounting for two spins per protein molecule) may not be obtained It is interesting to note that this interpretation is in full accordance with the results obtained from redox titration ... highly unlikely, since the six cysteine residues coordinating the P-cluster in the MoFe protein, are also conserved in the FeFe protein, as judged by sequence comparisons [7] In addition, Mossbauer...
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Tài liệu Báo cáo khoa học: Cobalamin uptake and reactivation occurs through specific protein interactions in the methionine synthase–methionine synthase reductase complex docx
Ngày tải lên :
18/02/2014, 08:20
... of MS During primary turnover, the homocysteine-binding domain (dotted barrel) and the CH3-H4-folate binding-domain (black barrel) form discrete complexes with the cobalamin-binding domain (dark ... methylcob(III)alamin to homocysteine, generating cob(I)alamin and methionine A methyl group is then abstracted by cob(I)alamin from CH3-H4-folate, generating H4-folate and the methylcob(III)alamin form ... (light grey) and the C-terminal activation of hMS (grid-barrel) interact with the cobalamin-binding domain For more information on hMS conformational substates, see [5] and [33] cob(II)alamin], an...
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Báo cáo khoa học: Supramolecular calsequestrin complex Protein–protein interactions in chronic low-frequency stimulated muscle, postnatal development and ageing pot
Ngày tải lên :
08/03/2014, 10:20
... TRI and the CSQ-binding element JUN, show decreased protein–protein interactions during fiber type shifting and the ageing process Reduced protein coupling between the major elements regulating ... Edgbaston, UK) and sequence similarities determined with the BLAST-P program RESULTS To complement previous domain binding studies and chemical crosslinking analyses of triadic protein–protein interactions, ... chemical crosslinking analysis might introduce artifacts by random protein linkage Although gel filtration chromatography, domain binding studies with recombinant or isolated peptide domains, differential...
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Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems
Ngày tải lên :
16/03/2014, 11:45
... steady-state metal concentrations in soil, the principal ones being: Fin — input flux of (reactive) metal from external sources Fweath — weathering input Fage — removal by aging processes in mineral ... 14 Assessing the Hazard of Metals and Inorganic Metal Substances ecosystem In developing and discussing the UWM, it is important to consider as completely as possible all the significant interactions ... trademarks, and are used only for identification and explanation without intent to infringe Library of Congress Cataloging -in- Publication Data Adams, William J., 1946Assessing the hazard of metals and inorganic...
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Báo cáo khoa học: Nature, nurture and neurology: gene–environment interactions in neurodegenerative disease docx
Ngày tải lên :
16/03/2014, 19:20
... causing HD: an expanded CAG repeat in the gene encoding a protein that came to be known as huntingtin [5] Normal individuals have 10–34 CAG repeats in this gene 2348 T L Spires and A J Hannan Individuals ... made in identifying genetic factors contributing to PD in recent years [135] Low concordance for clinical disease in monozygotic twins indicates environmental in uences on PD [136], and the finding ... containing a trinucleotide repeat that is expanded and unstable on Huntington’s disease chromosomes Cell 72, 971–983 2356 T L Spires and A J Hannan Young AB (2003) Huntingtin in health and disease...
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Báo cáo khoa học: Netropsin interactions in the minor groove of d(GGCCAATTGG) studied by a combination of resolution enhancement and ab initio calculations pot
Ngày tải lên :
16/03/2014, 22:20
... calculations of the interaction between (A) the amidinium end and bases A25, T8 and G9; and (B) the guanidinium end and bases A5, T28 and A6 Intermolecular geometry constraint according to the crystal ... However, it is interesting that the guanine amino group may be in uenced by this contact We compared the interaction energies in both a planar and a nonplanar guanine G9 amino group The HF interaction ... an inverted central tetranucleotide and its netropsin complex Acta Cryst D51, 190–198 Abrescia NGA, Malinina L & Subirana JA (1999) Stacking interaction of guanine with netropsin in the minor...
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Báo cáo khoa học: Dissecting the role of protein–protein and protein–nucleic acid interactions in MS2 bacteriophage stability potx
Ngày tải lên :
30/03/2014, 11:20
... protein–RNA interactions in virus stability is not completely understood, and we have investigated these questions in this work We sought to determine the role of protein–RNA and protein–protein interactions ... protein and RNA has been investigated [5,9,23,24], and amino acid–nucleotide interactions contributing to its stability have been characterized [13,25], but the role of protein–protein and protein–RNA ... coat protein dimers and their selfassembly into an icosahedral capsid, while selectively encapsulating a single copy of viral plus-strand RNA by the coat, and ignoring viral minus strands and host...
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Báo cáo khoa học: Redox-sensitive loops D and E regulate NADP(H) binding in domain III and domain I–domain III interactions in proton-translocating Escherichia coli transhydrogenase potx
Ngày tải lên :
31/03/2014, 09:20
... in NADP(H)-binding and possibly also coupling to proton translocation [4,13] The corresponding regions in ecIII are indicated in an NMR-derived structural model (Fig 1) and in the amino-acid sequence ... B.G (2000) Interactions of the NADP(H)-binding domain III of proton-translocating transhydrogenase from Escherichia coli with NADP (H) and the NAD (H) -binding domain I studied by NMR and site-directed ... determined using the bicinchoninic acid assay with bovine serum albumin as standard [18] The content of bound NADPH in the ecIII mutants was determined by absorbance spectroscopy at 339 nm, using...
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Fundamentals of the monte carlo method for neutral and charged particle transport
Ngày tải lên :
09/04/2014, 16:23
... theory of microscopic interactions In some cases, the microscopic interactions are well-known as in the electromagnetic interactions of high-energy electrons and photons and verified by experiment ... based upon a minimum amount of data and a maximum amount of floating-point operation Deterministic calculations are often maximum data and minimal floating-point operation procedures Since impediments ... 300 18.2 Subroutines for random number generation 302 18.3 Subroutines for particle transport and deflection 321 18.4 Subroutines for modeling interactions ...
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Charged particle in a electromagnetic field 2
Ngày tải lên :
24/05/2014, 19:10
... = ω(x0 − x) = −aω cos(ωt + δ) ˙ (43) Then Integrating this equation yields y = −a sin(ωt + δ) + y0 (44) Finally, combining Eqs (42) and (44) we obtain (x − x0 )2 + (y − y0 )2 = a2 (45) Together ... · v c (14) Solution: Taking the vectors of the electric and magnetic fields E and B represented in terms of the scalar and vector potentials in accordance with Eqs (8) and (9), we have for the ... Charged Particle in Electromagnetic Field Show that the Lagrangian of a particle with the charge q moving with the velocity v in an electromagnetic field given by the scalar and vector potentials ϕ and...
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Charged particle in a electromagnetic field 3
Ngày tải lên :
24/05/2014, 19:10
... Effect Suppose we have electron inside hollow conductor, or “Faraday cage”, with battery which raises potential of cage and region inside, beginning at t = and ending at time t Hamiltonian for ... shift in single electron’s h∂ wave fctn can’t affect observables, since physical quantities bilinear in h ψ and ψ ∗, norm of e−iS/¯ is This result might encourage sense of complacency, since it’s ... we are not talking necessarily about electrons interfering with each other, although we could We say “beams of electrons”, but then in principle we should worry about antisymmetrizing the many-electron...
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Lagrangian of charged particle in electromagnetic field
Ngày tải lên :
24/05/2014, 19:12
... A.i = −q x & & & ∂& dt ∂x dt 2x3 ∂& dt ∂x dt ∂x {x ÷ dt dt =0 =0 u không phụ thuộc tường minh vào u r r & x ∂ ( qϕ ) ∂A ϕ; A = 0; =0 & & ∂x ∂x Vậy, ru r dA x d ∂ −q = qϕ − qv.A & dt dt ∂x...
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báo cáo hóa học:" Risk factor analysis for early femoral failure in metal-on-metal hip resurfacing arthroplasty: the effect of bone density and body mass index" potx
Ngày tải lên :
20/06/2014, 07:20
... a body mass index ≥35kg/m2 increases the complexity of exposing the hip and accurately placing the 13 component, therefore increasing the risk in femoral notching [3, 14] Our study indicated that ... demonstrated in many studies as an aid in decreasing the rates of revision and improving patient outcome, there are few published studies quantitatively specifying which risk factors independently ... excluding groups of patients from this surgical procedure Methods This retrospective study included 373 metal- on -metal HRAs performed by a single surgeon using the vascular sparing posterior minimally...
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ASPECTS OF PACEMAKERS – FUNCTIONS AND INTERACTIONS IN CARDIAC AND NON-CARDIAC INDICATIONS ppt
Ngày tải lên :
28/06/2014, 05:20
... For instance, administration of insulin in an increasing dose was able to increase MSNA in euglycemic individuals [48] 3.7 Sympathic overactivity in hypertension Almost all studies measuring ... nervous system persists during daytime which results in increased MSNA and norepinephrine release [40] Intermittent hypoxia leads to a sustained increase in blood pressure in an animal model Denervation ... disease and in animal models in the border zone of myocardial infarction Over-expression 30 Aspects of Pacemakers – Functions and Interactions in Cardiac and Non-Cardiac Indications of miR-1 in the...
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Motion and Gesture Interactions in the digital age
Ngày tải lên :
20/07/2014, 15:26
... Motion & Gestures interactions in the digital age From the first personal computing with Static interface and physical controls Motion & Gestures interactions in the digital age To an incredible new ... console and motion interactions was the right answer to show a new kind of affordance Physical Motion patterns becomes virtual interactions Motion & Gestures interactions in the digital age Introduction ... animations in the user Interface Motion & Gestures interactions in the digital age * Panop Koonwat - https://vimeo.com/65815545 Introduction Animation Design Principles Motion & Gestures interactions in...
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Báo cáo sinh học: "Untangling the web of functional and physical interactions in yeast" pdf
Ngày tải lên :
06/08/2014, 18:21
... types The interaction data types include both direct physical interactions - protein complexes and proteinDNA interactions - and indirect functional interactions genetic interactions and interactions ... motifs containing a transcription factor that regulates two physically interacting proteins can be combined into a single theme corresponding to a protein complex whose component proteins are controlled ... members of the complex by proteinprotein interactions The second genetic-interaction-based theme consists of two protein complexes internally connected by protein-protein interactions that are bridged...
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Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx
Ngày tải lên :
07/08/2014, 14:20
... the density, and R is the gas constant It is stated that in the case of liquid systems, including electrolytic solutions, there is no serious harm in assuming cubic packing and equating b to 3.3 ... molecular interactions in ternary mixtures of 1-napthanol and 2-napthanol with 2-propanone in benzene Ind J Phys., 5, 1147–1155 Arul, G., & Palaniappan, L (2001) Molecular interactions studies in ternary ... mixtures, and can be attributed to intermolecular interactions in the systems studied.16 N-N-dimethyl formamide (DMF), as a polar solvent, is certainly to some extent associated by dipole-dipole interactions, ...
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Báo cáo lâm nghiệp: "Characterizing fertility targets and multi-element interactions in nursery culture of Quercus rubra seedlings" pot
Ngày tải lên :
08/08/2014, 00:22
... facilitate interpretation of multi-element interactions on seedling growth in response to increased fertilization RESULTS AND DISCUSSION 3.1 Seedling growth and nutrition Fertilization increased seedling ... Multi-element interactions Vector diagnosis is used to interpret and improve understanding of multi-element interactions at the deficiency (Fig 4A) and toxicity (Fig 4B) ranges (Figs and 2) Nitrogen and ... rate induced N and P toxicity in cultured plants, demonstrating the susceptibility of crops to over fertilization and the need to determine fertility targets in cropping systems Toxicity increased...
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Báo cáo y học: "Synorth: exploring the evolution of synteny and long-range regulatory interactions in vertebrate genomes." potx
Ngày tải lên :
09/08/2014, 20:20
... for distinguishing between the target gene(s) and the bystander genes in a GRB, there is a growing list of features of target genes that set them apart from bystander genes and other genes in the ... upregulated in chronic myeloid leukemia, Jurkat T-cell leukemia and teratocarcinoma cell lines [37], lies within a GRB harboring a dozen other genes and a cluster of HCNEs, all mapping to a single ... in forebrain, hindbrain, neural tube and spinal cord [45]) corresponds well to the expression of the mouse gene Lhx1 [46], zebrafish lhx1b (synonym lim6) mRNA was found in lower amounts and in...
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báo cáo khoa học: " Gut microbiome-host interactions in health and disease" pdf
Ngày tải lên :
11/08/2014, 12:21
... taurine and betaine levels than other gut regions HBF mice showed lower taurine and myo-inositol levels in the colon, and all ex-germfree animals had higher taurine, choline and ethano amine ... the gut, and also influences centrally mediated systems involved in mood and mental health, is being increasingly reported This is described by the gutbrain communication hypothesis, and it is ... clinical studies These studies suggest that the intestinal microbiome is essential in determining the metabolic response of the host to environmental stimuli and thus disease Moreover, the intestinal...
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